Aguessac (French pronunciation: [aɡsak]; Occitan: Agaçac) is a commune in the Aveyron department in the Occitanie region of southern France.

It can be accessed by the D29 road branching off the D911 in the west and continuing into the commune and south to the village.

There is also the D809 coming from Millau in the south passing through the village and continuing north to join the A75 autoroute.

The famous Millau Viaduct (Viaduc de la Garrigue) is on the A75 autoroute immediately to the west of the commune.

Percentage Distribution of Age Groups in Aguessac and Aveyron Department in 2017 Source: INSEE[6][7] The economy of the commune is agricultural and characterized by traditional agriculture based on farming for the production of calves and lambs for fattening.